mirror of
https://gitlab.com/sortix/sortix.git
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Moved CPU code shared by x86 and x64 into x86-family.
This commit is contained in:
Jonas 'Sortie' Termansen
parent
4728809c00
commit
9995354f95
7 changed files with 154 additions and 125 deletions
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@ -26,7 +26,8 @@ ifdef X86FAMILY
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CPUOBJS:=$(CPUOBJS) \
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$(CPU)/memorymanagement-asm.o \
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$(CPU)/interrupt.o \
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$(CPU)/gdt.o
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$(CPU)/gdt.o \
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x86-family/x86-family.o
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CPUFLAGS:=$(CPUFLAGS) -mno-mmx -mno-sse -mno-sse2 -mno-sse3 -mno-3dnow
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endif
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@ -42,7 +43,7 @@ DEFINES:=$(DEFINES) -DPLATFORM_KERNEL_HEAP
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DEFINES:=$(DEFINES) -DINITRD
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CPPFLAGSRELEASE=-s -O3
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CPPFLAGSDEBUG=
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CPPFLAGS=-I.. $(CPUDEFINES) $(CPUFLAGS) -std=gnu++0x -Wall -Wextra -nostdlib -fno-builtin -nostartfiles -nodefaultlibs -fno-exceptions -fno-rtti -fno-stack-protector $(DEFINES) $(CPPFLAGSRELEASE)
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CPPFLAGS=-I.. -I. $(CPUDEFINES) $(CPUFLAGS) -std=gnu++0x -Wall -Wextra -nostdlib -fno-builtin -nostartfiles -nodefaultlibs -fno-exceptions -fno-rtti -fno-stack-protector $(DEFINES) $(CPPFLAGSRELEASE)
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OBJS=$(CPUOBJS) kernel.o descriptor_tables.o isr.o time.o log.o iprintable.o panic.o keyboard.o memorymanagement.o scheduler.o syscall.o application.o pong.o sound.o pci.o uart.o conway.o test.o http.o vgaterminal.o serialterminal.o descriptors.o device.o vga.o ../libmaxsi/libmaxsi-sortix.a
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JSOBJS:=$(subst .o,-js.o,$(OBJS))
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@ -29,40 +29,5 @@ namespace Sortix
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{
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namespace X64
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{
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void OutPortB(uint16_t Port, uint8_t Value)
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{
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asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortW(uint16_t Port, uint16_t Value)
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{
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asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortL(uint16_t Port, uint32_t Value)
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{
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asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
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}
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uint8_t InPortB(uint16_t Port)
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{
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uint8_t Result;
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asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint16_t InPortW(uint16_t Port)
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{
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uint16_t Result;
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asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint32_t InPortL(uint16_t Port)
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{
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uint32_t Result;
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asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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}
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}
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@ -17,7 +17,7 @@
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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x64
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x64.h
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CPU stuff for the x64 platform.
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******************************************************************************/
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@ -25,17 +25,12 @@
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#ifndef SORTIX_X64_H
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#define SORTIX_X64_H
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#include "../x86-family/x86-family.h"
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namespace Sortix
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{
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namespace X64
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{
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void OutPortB(uint16_t Port, uint8_t Value);
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void OutPortW(uint16_t Port, uint16_t Value);
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void OutPortL(uint16_t Port, uint32_t Value);
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uint8_t InPortB(uint16_t Port);
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uint16_t InPortW(uint16_t Port);
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uint32_t InPortL(uint16_t Port);
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struct InterruptRegisters
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{
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uint64_t cr2;
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102
sortix/x86-family/x86-family.cpp
Normal file
102
sortix/x86-family/x86-family.cpp
Normal file
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@ -0,0 +1,102 @@
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/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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x86-family.cpp
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CPU stuff for the x86 CPU family.
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******************************************************************************/
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#include <libmaxsi/platform.h>
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namespace Sortix
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{
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namespace CPU
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{
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void OutPortB(uint16_t Port, uint8_t Value)
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{
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asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortW(uint16_t Port, uint16_t Value)
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{
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asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortL(uint16_t Port, uint32_t Value)
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{
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asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
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}
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uint8_t InPortB(uint16_t Port)
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{
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uint8_t Result;
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asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint16_t InPortW(uint16_t Port)
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{
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uint16_t Result;
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asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint32_t InPortL(uint16_t Port)
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{
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uint32_t Result;
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asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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void Reboot()
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{
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// Keyboard interface IO port: data and control.
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const uint16_t KEYBOARD_INTERFACE = 0x64;
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// Keyboard IO port.
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const uint16_t KEYBOARD_IO = 0x60;
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// Keyboard data is in buffer (output buffer is empty) (bit 0).
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const uint8_t KEYBOARD_DATA = (1<<0);
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// User data is in buffer (command buffer is empty) (bit 1).
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const uint8_t USER_DATA = (1<<1);
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// Disable interrupts.
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asm volatile("cli");
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// Clear all keyboard buffers (output and command buffers).
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uint8_t byte;
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do
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{
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byte = InPortB(KEYBOARD_INTERFACE);
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if ( ( byte & KEYBOARD_DATA ) != 0 ) { InPortB(KEYBOARD_IO); }
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} while ( ( byte & USER_DATA ) != 0 );
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// CPU reset command.
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uint8_t KEYBOARD_RESET_CPU = 0xFE;
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// Now pulse the CPU reset line and reset.
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OutPortB(KEYBOARD_INTERFACE, KEYBOARD_RESET_CPU);
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// If that didn't work, just halt.
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asm volatile("hlt");
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}
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}
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}
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43
sortix/x86-family/x86-family.h
Normal file
43
sortix/x86-family/x86-family.h
Normal file
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@ -0,0 +1,43 @@
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/******************************************************************************
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COPYRIGHT(C) JONAS 'SORTIE' TERMANSEN 2011.
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This file is part of Sortix.
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Sortix is free software: you can redistribute it and/or modify it under the
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terms of the GNU General Public License as published by the Free Software
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Foundation, either version 3 of the License, or (at your option) any later
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version.
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Sortix is distributed in the hope that it will be useful, but WITHOUT ANY
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WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS
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FOR A PARTICULAR PURPOSE. See the GNU General Public License for more
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details.
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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x86-family.h
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CPU stuff for the x86 CPU family.
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******************************************************************************/
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#ifndef SORTIX_X86_FAMILY_H
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#define SORTIX_X86_FAMILY_H
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namespace Sortix
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{
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namespace CPU
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{
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void OutPortB(uint16_t Port, uint8_t Value);
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void OutPortW(uint16_t Port, uint16_t Value);
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void OutPortL(uint16_t Port, uint32_t Value);
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uint8_t InPortB(uint16_t Port);
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uint16_t InPortW(uint16_t Port);
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uint32_t InPortL(uint16_t Port);
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void Reboot();
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}
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}
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#endif
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@ -29,75 +29,5 @@ namespace Sortix
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{
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namespace X86
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{
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void OutPortB(uint16_t Port, uint8_t Value)
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{
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asm volatile ("outb %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortW(uint16_t Port, uint16_t Value)
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{
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asm volatile ("outw %1, %0" : : "dN" (Port), "a" (Value));
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}
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void OutPortL(uint16_t Port, uint32_t Value)
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{
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asm volatile ("outl %1, %0" : : "dN" (Port), "a" (Value));
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}
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uint8_t InPortB(uint16_t Port)
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{
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uint8_t Result;
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asm volatile("inb %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint16_t InPortW(uint16_t Port)
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{
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uint16_t Result;
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asm volatile("inw %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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uint32_t InPortL(uint16_t Port)
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{
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uint32_t Result;
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asm volatile("inl %1, %0" : "=a" (Result) : "dN" (Port));
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return Result;
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}
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void Reboot()
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{
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// Keyboard interface IO port: data and control.
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const uint16_t KEYBOARD_INTERFACE = 0x64;
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// Keyboard IO port.
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const uint16_t KEYBOARD_IO = 0x60;
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// Keyboard data is in buffer (output buffer is empty) (bit 0).
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const uint8_t KEYBOARD_DATA = (1<<0);
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// User data is in buffer (command buffer is empty) (bit 1).
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const uint8_t USER_DATA = (1<<1);
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// Disable interrupts.
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asm volatile("cli");
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// Clear all keyboard buffers (output and command buffers).
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uint8_t byte;
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do
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{
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byte = InPortB(KEYBOARD_INTERFACE);
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if ( ( byte & KEYBOARD_DATA ) != 0 ) { InPortB(KEYBOARD_IO); }
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} while ( ( byte & USER_DATA ) != 0 );
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// CPU reset command.
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uint8_t KEYBOARD_RESET_CPU = 0xFE;
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// Now pulse the CPU reset line and reset.
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OutPortB(KEYBOARD_INTERFACE, KEYBOARD_RESET_CPU);
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// If that didn't work, just halt.
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asm volatile("hlt");
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}
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}
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}
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@ -17,7 +17,7 @@
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You should have received a copy of the GNU General Public License along
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with Sortix. If not, see <http://www.gnu.org/licenses/>.
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x86
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x86.h
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CPU stuff for the x86 platform.
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******************************************************************************/
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@ -25,17 +25,12 @@
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#ifndef SORTIX_X86_H
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#define SORTIX_X86_H
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#include "../x86-family/x86-family.h"
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namespace Sortix
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{
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namespace X86
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{
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void OutPortB(uint16_t Port, uint8_t Value);
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void OutPortW(uint16_t Port, uint16_t Value);
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void OutPortL(uint16_t Port, uint32_t Value);
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uint8_t InPortB(uint16_t Port);
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uint16_t InPortW(uint16_t Port);
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uint32_t InPortL(uint16_t Port);
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struct InterruptRegisters
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{
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uint32_t cr2;
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@ -44,8 +39,6 @@ namespace Sortix
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uint32_t int_no, err_code; // Interrupt number and error code (if applicable)
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uint32_t eip, cs, eflags, useresp, ss; // Pushed by the processor automatically.
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};
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void Reboot();
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}
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}
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